What HTTP header allows you to host several sites with different domain names on one server?

Question

HTTP headers

Hello, can you tell me which part of the HTTP header is responsible for hosting several sites with different domain names?

Answer 1

https://ru.wikipedia.org/wiki/%D0%A1%D0%BF%D0%B8%D...

Host - Domain name and host port of the requested resource. Needed to support virtual hosting on servers.
Host: ru.wikipedia.org

Answer 2

I may not quite understand the question, but the web server is responsible for placing and returning pages, and set up different domains there ...
ps , as already mentioned, HOST
Request and its data can be seen in the browser, in the developer tools. It will be immediately clear.